Finding the Fourth Proportional to 98,069,900.04, 135,336,455.64 and 56,840,707.26
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Solution
The fourth proportional to 98,069,900.04, 135,336,455.64 and 56,840,707.26 is: 78,440,172.30
Step by Step Solution
- Step 1: Write the proportion equation
98,069,900.04 : 135,336,455.64 = 56,840,707.26 : x - Step 2: Convert to fraction form
98,069,900.04/135,336,455.64 = 56,840,707.26/x - Step 3: Cross multiply
98,069,900.04x = 135,336,455.64 × 56,840,707.26 - Step 4: Simplify right side
98,069,900.04x = 7,692,619,856,639,215 - Step 5: Solve for x
x = 7,692,619,856,639,215/98,069,900.04 - Step 6: Final answer
x = 78,440,172.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.